John Deere 7720

John Deere 7720 Row-Crop tractor Technical Specifications

John Deere 7720 is a Row-Crop tractor that was produced by the John Deere between 2004 – 2007.

Below you will find detailed technical specifications for John Deere 7720 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

John Deere 7720 Production

Manufacturer: John Deere
Type: Row-Crop tractor
Factory: Waterloo, Iowa, USA

John Deere 7720 Power

PTO (claimed): 140 hp
104.4 kW
Drawbar (tested): 129.08 hp
96.3 kW
PTO (tested): 159.79 hp
119.2 kW

John Deere 7720 Electrical

Ground: negative
Charging system: alternator
Charging amps: 150
Batteries: 2
Battery CCA: 925
Battery volts: 12

John Deere 7720 Mechanical

Chassis: 4×2 2WD
  4×4 MFWD 4WD
Steering: power
Brakes: hydraulic wet disc
Cab: Cab standard.
Transmissions: 16-speed partial power shift
  infinitely variable transmission


Fuel: 103.5 gal
391.7 L
  94.7 gal
358.4 L (with right step)
Hydraulic system: 28.5 gal
107.9 L
Front axle: 15.2 qts
14.4 L
Front hubs: 2 qts
1.9 L
HD Front hubs: 4 qts
3.8 L


Type: closed-center pressure-flow compensated (PFC)
Capacity: 28.5 gal
107.9 L
Pressure: 3046 psi
210.0 bar
Valves: 7
Pump flow: 32.2 gpm
121.9 lpm
SCV flow: 30 gpm
113.6 lpm

Tracktor Hitch

Rear Type: 3/3N
Rear lift: 10050 lbs
4558 kg
  14000 lbs
6350 kg *Optional

Power Take-off (PTO)

Rear PTO: independent
Clutch: hydraulic wet discs
Rear RPM: 540/1000 (1.375)
Engine RPM: 540@1950
Front PTO: independent*Optional
Front RPM: 1000 (1.375)

Title serial numbers

Location: On tractor frame, front right-hand side.

photo of 7720 serial number

What year is my John Deere 7720? Serial Number Decoder

The serial number list shows the first tractor built in each year. The other tractors for that year will have successively higher numbers. Your serial number should be between two of the stated numbers.

The list only includes the numbers of the first tractors produced in each year. Your serial should be somewhere between two numbers.Unless you happen to be the first person to own a tractor, your number will not appear on the list.

John Deere 7720 Engine detail

Engine Detail
John Deere
turbocharged diesel
liquid-cooled inline
Displacement: 414 ci
6.8 L
Bore/Stroke: 4.19×5.00 inches
106 x 127 mm
Maximum Power (ECE R24): 182 hp
135.7 kW
Compression: 17:1
Rated RPM: 2100
Idle RPM: 875-2200
Firing order: 1-5-3-6-2-4
Starter volts: 12
Oil capacity: 27.5 qts
26.0 L
Coolant capacity: 33.8 qts
32.0 L

John Deere 7720 Transmission overview

Engine Oil

Transmission: PowrQuad Plus
Type: partial power shift
Gears: 16 forward and reverse
Clutch: hydraulic wet discs
Four power-shift gears (1-4) in four synchronized ranges (A-D) with left-hand reverser. Power shuttle shifting between forward and reverse.

John Deere 7720 Dimensions

Wheelbase: 112.6 inches
286 cm
Length: 212.2 inches
538 cm
  240.4 inches
610 cm (with front weights)
Width: 96 inches
243 cm (short axle)
  118 inches
299 cm (long axle)
Height (cab): 125.4 inches
318 cm
2WD Clearance (front axle): 25.6 inches
65 cm
4WD Clearance (front axle): 22.3 inches
56 cm
2WD Clearance (drawbar): 16.7 inches
42 cm
4WD Clearance (drawbar): 16.3 inches
41 cm
Rear axle: 3.622 by 96 inches
91 by 2438 mm
Rear axle: 3.622 by 110.5 inches
91 by 2806 mm
Rear axle: 3.622 by 118 inches
91 by 2997 mm
Rear axle: 3.937 by 96 inches
99 by 2438 mm
Rear axle: 3.937 by 110.5 inches
99 by 2806 mm
Rear axle: 3.937 by 118 inches
99 by 2997 mm

John Deere 7720 Weight
2WD Shipping: 15,501 lbs
7031 kg
4WD Shipping: 16,502 lbs
7485 kg
4WD IVT Shipping: 17,033 lbs
7726 kg
4WD PowrQud Operating: 16,475 lbs
7473 kg
Ballasted: 20,220 lbs
9171 kg

John Deere 7720 Tests

OCED Tractor Test 1833

OCED Tractor Test 1833
Diesel PowrQuad-Plus 4WD
March 30 – April 21, 2004
Link: OCED Tractor Test 1833 file
PTO performance
Max power: 159.79 hp
119.2 kW
Fuel use: 8.5 gal/hour
32.2 l/hour
Power at rated engine speed: 141.89 hp
105.8 kW
Fuel use: 8.1 gal/hour
30.7 l/hour
Power at rated PTO speed: 150.58 hp
112.3 kW
Fuel use: 8.3 gal/hour
31.4 l/hour
Drawbar performance
Max power: 129.08 hp
96.3 kW
Fuel use: 8.1 gal/hour
30.7 l/hour
Max pull: 20604 lbs
9345 kg


Is John Deere 7720 a good tractor?

The John Deere 7720 is one of the great tractors in the John Deere stable, and it has earned John Deere a fantastic reputation.

How much oil does a John Deere 7720 take?

Check out the John Deere 7720 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year John Deere made the 7720?

The John Deere 7720 was an agricultural tractor model made from 2004 – 2007

Where is the serial number on a John Deere 7720?

Lookup on tractor frame, front right-hand side.

Leave a Comment